1381806175998 has 32 divisors (see below), whose sum is σ = 2948915865600. Its totient is φ = 430382310336.

The previous prime is 1381806175957. The next prime is 1381806176081. The reversal of 1381806175998 is 8995716081831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83012958 + ... + 83029601.

It is an arithmetic number, because the mean of its divisors is an integer number (92153620800).

Almost surely, 2^{1381806175998} is an apocalyptic number.

1381806175998 is an abundant number, since it is smaller than the sum of its proper divisors (1567109689602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381806175998 is a wasteful number, since it uses less digits than its factorization.

1381806175998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166042656.

The product of its (nonzero) digits is 26127360, while the sum is 66.

The spelling of 1381806175998 in words is "one trillion, three hundred eighty-one billion, eight hundred six million, one hundred seventy-five thousand, nine hundred ninety-eight".